4381345 has 8 divisors (see below), whose sum is σ = 5293800. Its totient is φ = 3480960.

The previous prime is 4381319. The next prime is 4381357. The reversal of 4381345 is 5431834.

It can be written as a sum of positive squares in 4 ways, for example, as 349281 + 4032064 = 591^2 + 2008^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4381345 - 2¹³ = 4373153 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2196 + ... + 3685.

It is an arithmetic number, because the mean of its divisors is an integer number (661725).

Almost surely, 2^4381345 is an apocalyptic number.

It is an amenable number.

4381345 is a deficient number, since it is larger than the sum of its proper divisors (912455).

4381345 is a wasteful number, since it uses less digits than its factorization.

4381345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6035.

The product of its digits is 5760, while the sum is 28.

The square root of 4381345 is about 2093.1662619104. The cubic root of 4381345 is about 163.6323436629.

The spelling of 4381345 in words is "four million, three hundred eighty-one thousand, three hundred forty-five".